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A search of the internet will certainly give you lots of sites where you can buy MINERALS and MINERAL SPECIMENS on-line, but if you live in New York City (NYC), why do it? You can't actually see or touch them, it's hard to truly estimate their color, shine, size and quality, it's hard to compare it ...

Virtually ALL gemstones have longitudinal striation (grain, cleaving points) that allow them to be split. Depending on the mineral, some are better at splitting than others. Diamond can be easily split where opal or olivine only shatters.

Oron said exactly what I said, but Brother Bill, who obviously is not a math whiz claims "That must be the faultiest reasoning about mining I have ever seen." Actually Bill, no industry deliberately tries to lose money, including the mining industry. You are a fool.

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By searching the web for rock shops and metaphysical stores in New York City, I called some up and found out that most of them only had hematite as a tumbled stone. One of these stores in Manhattan, ROCK STAR CRYSTALS, boasted of having a hugh selection of HEMATITE in lots of forms. A quick check ...